feat: refactor task module

internal/offline_download/tool/base.go

@@ -17,13 +17,14 @@ type AddUrlArgs struct {
 
 type Status struct {
 	Progress  float64
-	NewTID    string
+	NewGID    string
 	Completed bool
 	Status    string
 	Err       error
 }
 
 type Tool interface {
+	Name() string
 	// Items return the setting items the tool need
 	Items() []model.SettingItem
 	Init() (string, error)
@@ -31,20 +32,23 @@ type Tool interface {
 	// AddURL add an uri to download, return the task id
 	AddURL(args *AddUrlArgs) (string, error)
 	// Remove the download if task been canceled
-	Remove(tid string) error
+	Remove(task *DownloadTask) error
 	// Status return the status of the download task, if an error occurred, return the error in Status.Err
-	Status(tid string) (*Status, error)
+	Status(task *DownloadTask) (*Status, error)
+}
+
+type GetFileser interface {
 	// GetFiles return the files of the download task, if nil, means walk the temp dir to get the files
-	GetFiles(tid string) []File
+	GetFiles(task *DownloadTask) []File
 }
 
 type File struct {
 	// ReadCloser for http client
-	io.ReadCloser
-	Name     string
-	Size     int64
-	Path     string
-	Modified time.Time
+	ReadCloser io.ReadCloser
+	Name       string
+	Size       int64
+	Path       string
+	Modified   time.Time
 }
 
 func (f *File) GetReadCloser() (io.ReadCloser, error) {